Table 38 - Isn Operational And Fault Codes - Johnson Controls YORK YCAL0043E Series Installation Operation & Maintenance

HANDLING AND STORAGE
TABLE 38 – ISN OPERATIONAL AND FAULT CODES
P56/58
0 NO ABNORMAL CONDITION
1 UNIT SWITCH OFF
2 SYSTEM SWITCH OFF
3 LOCK-OUT
4 UNIT FAULT
5 SYSTEM FAULT
6 REMOTE SHUTDOWN
7 DAILY SCHEDULE SHUTDOWN
8 NO RUN PERMISSIVE
9 NO COOL LOAD
10 ANTI-COINCIDENCE TIMER ACTIVE
11 ANTI-RECYCLE TIMER ACTIVE
12 MANUAL OVERRIDE
13 SUCTION LIMITING
14 DISCHARGE LIMITING
15 CURRENT LIMITING
16 LOAD LIMITING
17 COMPRESSOR(S) RUNNING
18 HEAT PUMP LOAD LIMITING
* The operational and fault codes sent to pages 56 through 59 are defined in Table 38. Note that this table of fault and operational codes is for
all DX products. The codes that are grayed out are not used on all units.
122
OPERATIONAL CODE P57/59 FAULT CODE
0 NO FAULT
1 VAC UNDER VOLTAGE
2 LOW AMBIENT TEMPERATURE
3 HIGH AMBIENT TEMPERATURE
4 LOW LEAVING CHILLED LIQUID TEMP
5 HIGH DISCHARGE PRESSURE
6 HIGH DIFFERENTIAL OIL PRESSURE
7 LOW SUCTION PRESSURE
8 HIGH MOTOR CURRENT
9 LLSV NOT ON
10 LOW BATTERY WARNING
11 HIGH OIL TEMPERATURE
12 HIGH DISCHARGE TEMPERATE
13 IMPROPER PHASE ROTATION
14 LOW MOTOR CURRENT /MP / HPCO
15 MOTOR CURRENT UNBALANCED
16 LOW DIFFERENTIAL OIL PRESSURE
17 GROUND FAULT
18 MP /HPCO
19 LOW EVAPORATOR TEMPERATURE
INCORRECT REFRIGERANT
20
PROGRAMMED
POWER FAILURE, MANUAL RESET
21
REQUIRED
22 UNIT MOTOR CURRENT
23 LOW SUPERHEAT
24 SENSOR FAIL
26 MP/HPCO INHIBIT
FORM 150.62-NM9 (709)
JOHNSON CONTROLS